A thin circular plate of uniform surface charge density sigma about its axis with an sngular speed omega. Find the magnetic field at an axial point P of the spinning plate. A thin circular plate of uniform surface charge density sigma about its axis with an sngular speed omega. Find the magnetic field at an axial point P of the spinning plate. October 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related